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A 15.0 K ohms resistor is connected in series with a capacitor and a 24.0V battery. Assume the switch is closed at time T=0.
(a) If the time constant is measured to be 24.0 micro seconds, what is the capacitance of the capacitor?
(b) How much time does it take for the voltage across the capacitor to be 8.0V?
(c) At that time, what is the charge across the capacitor and the current delivered to the resistor?
(d) After a long time, what is the voltage across the capacitor and the current through the resistor?
An object is thrown upwards with a speed of 13 m/s. How long does it take to reach a height of 4.0 m above the projection point while descending?
A fun-loving 11.4 {rm kg} otter slides up a hill and then back down to the same place. If she starts up at 5.75 {rm m/s} and returns at 3.75 {rm m/s}, how much mechanical energy did she lose on the hill.
On a friction less horizontal air table, puck A w/ mass 0.250 kg is moving towards puck B w/ mass 0.350 kg that is initially at rest. What was the speed of puck B before the collision
A nonconducting spherical shell, with an inner radius of 4 cm and an outer radius of 6 cm, has charge spread nonuniformly through its volume between its inner and outer surfaces. The volume charge density ? is the charge per unit volume, with the uni..
A 4.0 ohm resistor is connected in parallel with a 12 ohm resistor and both of these are connected to a DC power supply with voltage V. what is the current through the 4.0 ohm resistor
A solenoid of length 6.3 cm and diameter 0.88 cm is wound with 178 turns per cm. The current is decreasing at a rate of 38.0 A/s. What is the induced emf in one of the windings
Using the liquid drop model, plot on the same graph, as a function of A, in units of MeV/nucleon (a) the bulk or volume binding energy per nucleon, (b) the negative of the surface binding energy per nucleon,
A flat col enclosing an area of 0.1m2is rotating at 60 rev/s, with its axis of rotationperpendicular to a 0.20-T magnetic field. When the maximum induced voltage occurs what is the orientation of the col with respect to the magnetic field
A parallel-plate capacitor has a plate area of 1cm^1 and a plate separation of 2.5 mm. To obtain an electric field of 1.0*10^6N/m between the plates, the magnitude of the charge on each plate should be.
A ball is thrown with an initial velocity of 14m/s. using the approximate value g=10 m/s^2, at what time does the ball reach its high point?
An Earth satellite moves in a circular orbit 660 km above the Earth's surface. The period of the motion is 97.7 min. What is the speed of the satellite? What is the magnitude of the centripetal acceleration of the satellite?
A hydrolic lift (starting with both pistons at the same height) isused to jack a 970kg car 12cm off the floor in steps. The diameterof the output (lift) piston is 18cm and the input force is250N.
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